From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 5E13448867; Tue, 30 Sep 2025 00:48:45 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id E3B8D402D8; Tue, 30 Sep 2025 00:48:44 +0200 (CEST) Received: from mail-qv1-f41.google.com (mail-qv1-f41.google.com [209.85.219.41]) by mails.dpdk.org (Postfix) with ESMTP id B98A3402A2 for ; Tue, 30 Sep 2025 00:48:43 +0200 (CEST) Received: by mail-qv1-f41.google.com with SMTP id 6a1803df08f44-80ff41475cdso50777266d6.2 for ; Mon, 29 Sep 2025 15:48:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=networkplumber-org.20230601.gappssmtp.com; s=20230601; t=1759186123; x=1759790923; darn=dpdk.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:subject:cc:to:from:date:from:to:cc:subject:date :message-id:reply-to; bh=lj73FD3ytdTr3KA47peViXSKb3uZjPNveL/ZVgVxq6Y=; b=M8AARssfy+7iuFWywtRh6H+moVz+qLho1lvDm7CFeGMDmEmlW0qMgfS1Nv04Qmj0iJ stuRM91YO6t+dcON4rhiJsd9vEjWFag1yp2ja6LCJ6AeFB8p5zrZzto9QTcPa794WiEv 3hN2fOzI0razJlEOg2zagjw5RhZLsARi9BBKM2Q5jlpmsTLqyzLl3aiN6V8OtbC6OeBE fMb0iltoTErNPjbwqBpb1qiQA4k0TmXKgJK51KCSBm32tUYmZYgcGSpi947v4pTUVofM woXifJnAXUNp+QsiY/Iw73EBvcnf7bLKWDqtXirOSQ6ApPhh4hTmqPc6EYtiVuE15f0y B3/A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1759186123; x=1759790923; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:subject:cc:to:from:date:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=lj73FD3ytdTr3KA47peViXSKb3uZjPNveL/ZVgVxq6Y=; b=s1HHXVo4SDvh/3PQ2reWfb+guFmeWj3a6nPsSwVQB6qIVucxfWig2j3BWeOoZbTQgH fyXOYMOmHL6RaEI3r2MfNrtOZ6RbtKd0vIhFzsQiUqZRgPkFIJmosTSNOne6PuJPLDL7 eG+nD1p3Q4N/GLBUf9lUXG4tU+Dj4valhXrnofKdf2DR91waV6Od10NF6QLP7lpOS+O7 VHJbJMbqqlER3v1DGuTZxFHrA7sjhj7ylOhqy9YrKePZarH6az1wOifMQ1UTLOgO00u1 QIV8zJv6YU60zJwUjNBhFVPzaG9KciWdqxi9BbrdYQwkN4jMtOGTa72lGIrMIfckt3oB iELg== X-Forwarded-Encrypted: i=1; AJvYcCXp0gCn3g6PzMIiNMMR6mIfOGQpUweNox6yIXRRjhc3KSCrIBdaWklKdtDUoV278tMW1qU=@dpdk.org X-Gm-Message-State: AOJu0YxQqQd3g6olmlhD1zV5o0fy0z7D/ImA+TcLD20VPH2+7IoB/g6C hZxzpiklIcrs1qZG92I3hBO2rizGR0nbbesFmStOOM0EofT0n4DPQNJvHEU/lmwFxn4= X-Gm-Gg: ASbGncvH2ArgisWIz80p7HX7meWre4GdHC/gYYUd2FKJ2YtJtgDuBI9weCRIPvKgP+0 GnrL0My6tbiBfcNEVRzu1a/QqPVVFSX2bQsqSbmyyZlwwK8zIz3YGdVuhCXUJrSFszOKsIyO94Q H5AorVaj9qvXa+9YfPa78r3ODPPntpK5mhMBkkMxk5BrwRs79nnIbs9jeDJfFB11s+NWQN1Hpf+ TXyqjNSyWssK+4ImY7xmTVIVDwAuEAmQo4CpglVKgdlWfuLBAe/OOWzuPvAn4/DblCbp2bhIZMJ kEZwLuD9Z0dajATvyXtNiYFvviRzjyWUJxu532WVfWj22jxrwBoyP4GTSiTxG8oKCt0Ywe7s/Yf QerI/cWuik9xYYdQMmzDg1OTHDxSXCrOZvluuIPzhbrVIkNGorXpkD+iw8zugBzz5k8WjPXXQrO Rc74nwwawldOj2KxqR2dqX X-Google-Smtp-Source: AGHT+IGPdtZOM5znZS94+HqJNnv9qQax6nvesk1urz7vWh926MwDZKWtru/JNsFa3xz8MEYn+UfMbA== X-Received: by 2002:a05:6214:21a3:b0:796:268e:74eb with SMTP id 6a1803df08f44-7fc28736d91mr240652866d6.6.1759186122800; Mon, 29 Sep 2025 15:48:42 -0700 (PDT) Received: from hermes.local (204-195-96-226.wavecable.com. [204.195.96.226]) by smtp.gmail.com with ESMTPSA id 6a1803df08f44-8013e5d620dsm84983286d6.29.2025.09.29.15.48.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 29 Sep 2025 15:48:42 -0700 (PDT) Date: Mon, 29 Sep 2025 15:48:38 -0700 From: Stephen Hemminger To: Morten =?UTF-8?B?QnLDuHJ1cA==?= Cc: "Kai Ji" , , , , , , Subject: Re: [dpdk-dev v4 1/2] eal: Add mem equal and non-equal to prevent timing attacks memcmp. Message-ID: <20250929154838.2f0741f7@hermes.local> In-Reply-To: <98CBD80474FA8B44BF855DF32C47DC35F65481@smartserver.smartshare.dk> References: <20250926160209.56496-1-kai.ji@intel.com> <20250929145049.153078-1-kai.ji@intel.com> <98CBD80474FA8B44BF855DF32C47DC35F65481@smartserver.smartshare.dk> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org On Mon, 29 Sep 2025 19:48:19 +0200 Morten Br=C3=B8rup wrote: > > From: Kai Ji [mailto:kai.ji@intel.com] > > Sent: Monday, 29 September 2025 16.51 > >=20 > > Bugzilla ID: 1773 > > Cc: stable@dpdk.org > >=20 > > [0] https://bugs.dpdk.org/show_bug.cgi?id=3D1773 > >=20 > > Signed-off-by: Kai Ji > > --- =20 >=20 > Acked-by: Morten Br=C3=B8rup >=20 > @Stephen: V4 also includes equal, which you was asking for. >=20 The point is that we should only have the eq variant. Having the not equal is unnecessary addition.